... -13.5m/h Final drivefinal drive--2-stage spur gear,speed reduction,splash lubricationundercarriage systemsuspension--swing type of sprayed beam, ... parts and components for the following models available:1) KOMATSU excavator series: PC60, PC70, PC90, PC130, PC200, PC210, PC220, ... Our undercarriage parts for the track machinery equipments like excavator and bulldozer are widely used for the well-known ...